package file;

import sun.net.ftp.FtpClient;

import java.io.File;
import java.io.FileFilter;

public class ListFilesDemo2 {
    public static void main(String[] args) {
        File dir=new File(".");
        if (dir.isDirectory()){
            FileFilter filter=new FileFilter() {
                @Override
                public boolean accept(File file) {
                  String name=file.getName();
                  return name.endsWith(".txt");
                }
            };



            File[] subs=dir.listFiles(filter);
            for (File sub:subs){
                System.out.println(sub.getName());
            }
        }
    }
}
